/**
* Save a group.
* @param \vakata\user\GroupInterface $group the group to save
* @return self
*/
public function saveGroup(GroupInterface $group) : UserManagementInterface
{
if (!isset($this->groups[$group->getID()])) {
$this->groups[$group->getID()] = $group;
}
$this->permissions = array_values(array_unique(array_merge($this->permissions, $group->getPermissions())));
return $this;
}
